JFK served in the House of Representatives for three terms (six years), and was elected to the Senate twice (1952 and 1958). Obambi never served in the House of Representatives, and is still in his first term in the Senate. If JFK was chided as being inexperienced, then Obambi is woefully inexperienced.
The presidency is not the place for OJT (on-the-job-training).
Only if the candidate is a republican /s